What do you know
about the world of
genetics?
T. Trimpe 2008 http://sciencespot.net/
Use your knowledge of genetics to answer each question
1. What term refers to the physical appearance of a trait?
Example: Yellow body color
2. What term refers to the gene that is expressed when two different
genes for a trait are present in a gene pair?
3. If your grandparents are the parental generation, what term would
refer to your parents?
4. What type of pollination occurs when pollen from the stamen on one
flower is transferred to the pistil on the same flower or to the pistil of a
different flower on the same plant?
5. Identify each gene pair as purebred (P) or hybrid (H).
Bb ______
DD - ______ dd - _____
And the answers are ...
1. What term refers to the physical appearance of a trait? Phenotype
Example: Yellow body color
2. What term refers to the gene that is expressed when two different
genes for a trait are present in a gene pair?
Dominant
3. If your grandparents are the parental generation, what term would
refer to your generation?
F1 or First filial generation
4. What type of pollination occurs when pollen from the stamen on one
flower is transferred to the pistil on the same flower or to the pistil of a
different flower on the same plant?
Self-pollination
5. Identify each gene pair as purebred (P) or hybrid (H).
H
Bb - ______
P
P
DD - ______
dd - _____